Task<RiakCounterResult> GetCounter(
	string bucket,
	string counter,
	RiakCounterGetOptions options = null
)

abstract GetCounter : 
        bucket : string * 
        counter : string * 
        ?options : RiakCounterGetOptions 
(* Defaults:
        let _options = defaultArg options null
*)
-> Task<RiakCounterResult>